According to the present invention, a single-side door Aiki tubular organ is formed on one side is a passage, the passage a first guide pipe is installed in the through tube; Wrap around the outside of the guide tube, moving ring to move in the longitudinal direction of the guide tube; Wrap around the outside of the guide tube, the movement toward the movement ring is exposed to the outside of the guide tube through the opening of the guide tube the first channel is eversion of the mobile ring on the outside along the longitudinal direction of the guide tube first pressure ring for fixing on the side of; Is installed to surround the outside of the guide tube toward the front piston for pressing against the door hapring installed outside the guide tube; And is installed on the outside of the guide tube is converted to a direction normal to the length parallel to the second position of the first position and the guide tube with the longitudinal direction of the guide tube, guide the deformation of the fixing pins formed in the gate to the back hapring to guide the home includes a plurality of movable slider provided.
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